private static void InvokeFields(BinaryReader binaryReader, object item, IList <FieldInfo> fields, List <FieldDelegateInformation> fieldsMethodInfo)
{
var fieldSetDataAddress = binaryReader.BaseStream.Position;
for (var i = 0; i < fields.Count; ++i)
{
var field = fields[i];
var fieldMethodInfo = fieldsMethodInfo[i];
binaryReader.BaseStream.Position = fieldSetDataAddress + fieldMethodInfo.StreamOffset;
ProcessFieldInfo fieldDeletegate = (ProcessFieldInfo)fieldMethodInfo.MethodDelegate;
fieldDeletegate(binaryReader, item, field);
}
}
private static void ProcessFieldTypes(IList <FieldInfo> fields, out List <FieldDelegateInformation> fieldMethodInfo)
{
fieldMethodInfo = new List <FieldDelegateInformation>(fields.Count);
var fieldOffset = 0;
foreach (var field in fields)
{
var tagFieldAttribute = field.Attributes <TagFieldAttribute>().FirstOrDefault();
if (tagFieldAttribute != null)
{
if (tagFieldAttribute.UsesFieldOffset)
{
fieldOffset = tagFieldAttribute.Offset;
}
if (tagFieldAttribute.UsesCustomFunction)
{
fieldMethodInfo.Add(new FieldDelegateInformation(field, new ProcessFieldInfo(PostProcessField), fieldOffset));
fieldOffset += SizeOf(field);
continue;
}
}
if (field.FieldType.IsArray)
{
var elementType = field.FieldType.GetElementType();
var elementSize = 0;
try
{
elementSize = SizeOf(elementType);
}
catch (ArgumentException)
{
var layoutAttribute = elementType.Attribute(typeof(LayoutAttribute)) as LayoutAttribute;
if (layoutAttribute != null)
{
elementSize = layoutAttribute.Size;
}
}
if (field.IsDefined(typeof(TagBlockFieldAttribute), false))
{
fieldMethodInfo.Add(new FieldDelegateInformation(field, new ProcessFieldInfo(ProcessTagBlockArray), fieldOffset));
}
else if (field.IsDefined(typeof(MarshalAsAttribute), false))
{
var marhsalAsAttribute = field.Attribute(typeof(MarshalAsAttribute)) as MarshalAsAttribute;
if (marhsalAsAttribute.Value == UnmanagedType.ByValArray)
{
var count = marhsalAsAttribute.SizeConst;
var basicTypes = new List <Type>()
{
typeof(sbyte),
typeof(byte),
typeof(short),
typeof(ushort),
typeof(int),
typeof(uint),
typeof(float),
};
if (basicTypes.Any(x => x == elementType))
{
fieldMethodInfo.Add(new FieldDelegateInformation(field, new ProcessFieldInfo(ReadFixedArrayField), fieldOffset));
}
else
{
var deserializeMethod = typeof(Deserializer).Method("ProcessFixedStructArray", new Type[] { typeof(BinaryReader), typeof(Object), typeof(FieldInfo) }, Flags.Static | Flags.NonPublic | Flags.Public);
fieldMethodInfo.Add(new FieldDelegateInformation(field, ProcessFieldInfo.CreateDelegate(typeof(ProcessFieldInfo), deserializeMethod), fieldOffset));
}
}
else
{
throw new MarshalDirectiveException();
}
}
}
else if (field.IsDefined(typeof(TagReferenceAttribute), false) && field.FieldType != typeof(TagReference))
{
var deserializeMethod = typeof(Deserializer).Method("DeserializeTag", new Type[] { typeof(BinaryReader), typeof(Object), typeof(FieldInfo) }, Flags.Static | Flags.NonPublic | Flags.Public);
fieldMethodInfo.Add(new FieldDelegateInformation(field, ProcessFieldInfo.CreateDelegate(typeof(ProcessFieldInfo), deserializeMethod), fieldOffset));
}
else if (field.IsDefined(typeof(TagStructFieldAttribute), false))
{
var deserializeMethod = typeof(Deserializer).Method("Deserialize", new Type[] { typeof(BinaryReader), typeof(Object), typeof(FieldInfo) }, Flags.Static | Flags.NonPublic | Flags.Public);
fieldMethodInfo.Add(new FieldDelegateInformation(field, ProcessFieldInfo.CreateDelegate(typeof(ProcessFieldInfo), deserializeMethod), fieldOffset));
}
else if (field.FieldType.IsEnum)
{
var readEnumMethod = typeof(Deserializer).Method("ReadEnum", Flags.Static | Flags.NonPublic | Flags.Public);
fieldMethodInfo.Add(new FieldDelegateInformation(field, ProcessFieldInfo.CreateDelegate(typeof(ProcessFieldInfo), readEnumMethod), fieldOffset));
}
else
{
var readFieldMethod = typeof(Deserializer).Method("ReadField", new Type[] { typeof(BinaryReader), typeof(Object), typeof(FieldInfo) }, Flags.Static | Flags.NonPublic | Flags.Public);
fieldMethodInfo.Add(new FieldDelegateInformation(field, ProcessFieldInfo.CreateDelegate(typeof(ProcessFieldInfo), readFieldMethod), fieldOffset));
}
fieldOffset += SizeOf(field);
}
}
